Re: [Wxlua-users] wxluacan as namespace

[k. h. <kla...@nl...>]

Hi John,

John Labenski wrote:

>You can have your C function just call lua code directly.
>m_wxlState.RunString(wxString::Format(wxT("hittest(%f, %f)"), x, y)));
>in the lua code you can then set variables back to C++ through the binding.
>  
>
But i need to call a function in Lua which gets as a parameter a wxDC 
pointer from C++.
So i think i need to push things on the lua stack, and call a function next?

Also the functions to call are part of the m_script string stored inside 
each luacanvas object.
And for each such object that script would be different in general, but 
the function is called the same ( Draw and HitTest ).
Just reporting the functions to lua (using runstring() ) is not enough, 
as i think they must be unique.

But on the other hand wrapping the luacanvas object to lua does not help 
too, since the instance of the object is in the C++ canvas.
So i do not want to create the instance inside lua code.
Eventually i think i need to push the current (to draw/hit ) luacanvas 
object as a (this) pointer on the stack, and next the parameters to the 
member function to call on that object. And when that is ready call the 
function.

How complex :-(

If you have any idea, i be glad to hear them,

regards,

Klaas





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